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Why doesn the ER21 respond when I switch between wired & wireless interfaces?

April 26, 2017er21 interfaces respond Switch wired Wireless

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Why doesn the ER21 respond when I switch between wired & wireless interfaces?

1 Answer

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The ER21 has one IP address, but two hardware (MAC) addresses, one for each interface. The PC maintains a record (ARP cache) of the last-known hardware address, and will continue to use it, even if you have switched network interfaces.